Finding the Fourth Proportional to 342,112.08, 472,095.57 and 189,141.33

Step by Step Solution

1. Step 1: Write the proportion equation
   342,112.08 : 472,095.57 = 189,141.33 : x
2. Step 2: Convert to fraction form
   342,112.08/472,095.57 = 189,141.33/x
3. Step 3: Cross multiply
   342,112.08x = 472,095.57 × 189,141.33
4. Step 4: Simplify right side
   342,112.08x = 89,292,783,996.91
5. Step 5: Solve for x
   x = 89,292,783,996.91/342,112.08
6. Step 6: Final answer
   x = 261,004.48